453 research outputs found
On construction of anticliques for non-commutative operator graphs
In this paper anticliques for non-commutative operator graphs generated by
the generalized Pauli matrices are constructed. It is shown that application of
entangled states for the construction of code space K allows one to
substantially increase the dimension of a non-commutative operator graph for
which the projection on K is an anticlique.Comment: 11 pages, typos are correcte
Phenomenological analysis of the CLAS data on double charged pion photo and electro- production
First comprehensive data on the evolution of nucleon resonance photocouplings
with photon virtuality Q^2 are presented for excited proton states in the mass
range from 1.4 to 2.0 GeV. N^* photocouplings were determined in
phenomenological analysis of CLAS data on 2 pi photo and electroproduction
within the framework of the JLAB-MSU phenomenological model.Comment: 10 pages, 7 figures (encapsulated postscript
Nucleon Resonance Structure from CLAS and CLAS12 Experiments
The recent results on the photo- and electrocouplings extraction from the reaction of one- and two-pion photo- and electroproduction off protons in the resonances region are presented. The production of two charged pions is of particular importance for evaluation of the photocouplings for the Δ(1620)12 −, Δ(1700)32 −
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